接收天线选择时空格码的性能分析

2008 Fourth International Conference on Wireless Communication and Sensor Networks Pub Date : 2008-12-01 DOI:10.1109/WCSN.2008.4772700

A. Hiwale, Ashok A. Ghatol, S. Bhad

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引用次数: 4

摘要

本文讨论了准静态衰落信道下具有接收天线选择的多天线系统的性能分析。在进行天线选择分析时，采用的选择准则是从可用的Nr接收天线中选择最佳Nr天线，使接收机处的瞬时信噪比(SNR)最大化。假设发射天线总数NT = 2等于或大于接收天线总数。分析表明，在天线选择条件下，系统的分集顺序与全复杂度系统保持一致，但编码增益随接收天线数量的减少而成比例下降。比较了NR = 2和NR = 3多天线系统的天线选择结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance analysis of space-time trellis codes with receive antenna selection

This paper discusses the performance analysis of multi-antennas systems with receive antenna selection over quasistatic fading channels. In performing the analysis with antenna selection, the selection criterion adopted is based on selecting best Nr antennas out of the available NR receive antennas such that the instantaneous signal-to-noise ratio (SNR) at the receiver is maximized. It is assumed that the total number of transmit antennas, NT = 2, are equal to or greater than the total number of receive antennas. From the analysis it is shown that the resulting diversity order with antenna selection is maintained as that of full complexity system, however the coding gain deteriorates in proportion with reduced number of receive antennas. The results obtained with antenna selection with NR = 2 and NR = 3 multi-antenna systems are compared.

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2008 Fourth International Conference on Wireless Communication and Sensor Networks

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